What is the Greatest Common Factor of 42865 and 42884?

Greatest common factor (GCF) of 42865 and 42884 is 1.

GCF(42865,42884) = 1

We will now calculate the prime factors of 42865 and 42884, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42865 and 42884.

How to find the GCF of 42865 and 42884?

We will first find the prime factorization of 42865 and 42884. After we will calculate the factors of 42865 and 42884 and find the biggest common factor number .

Step-1: Prime Factorization of 42865

Prime factors of 42865 are 5, 8573. Prime factorization of 42865 in exponential form is:

42865 = 5¹ × 8573¹

Step-2: Prime Factorization of 42884

Prime factors of 42884 are 2, 71, 151. Prime factorization of 42884 in exponential form is:

42884 = 2² × 71¹ × 151¹

Step-3: Factors of 42865

List of positive integer factors of 42865 that divides 42865 without a remainder.

1, 5, 8573

Step-4: Factors of 42884

List of positive integer factors of 42884 that divides 42865 without a remainder.

1, 2, 4, 71, 142, 151, 284, 302, 604, 10721, 21442

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42865 and 42884. The biggest common factor number is the GCF number.
So the greatest common factor 42865 and 42884 is 1.

Also check out the Least Common Multiple of 42865 and 42884